disodium 5,7-dichloro-2-[6-chloro-4-methyl-3-(sulphonatooxy)benzo[b]thien-2-yl]-1H-indol-3-yl sulphate C화학적 특성, 용도, 생산
제조 방법
(a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Violet 8 leuco; (b) in the Pyridine with metal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate, etc.) processing ?C.I. Vat Violet 8. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.
Properties and Applications
brilliant purple. Soluble in water for purple
Standard
Ironing Fastness
Chlorine bleach
Light Fastness
Mercerized
Oxygen bleach
Soaping
Fading
Stain
ISO
4
4
6
disodium 5,7-dichloro-2-[6-chloro-4-methyl-3-(sulphonatooxy)benzo[b]thien-2-yl]-1H-indol-3-yl sulphate 준비 용품 및 원자재